NAPA, CITY OF
Community Water System · California · NAPA
PWSID: CA2810003
Compliant
Population Served
84.8K
Service Connections
25.4K
Total Violations
23
Health-Based Violations
15
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- NAPA
- ZIP Code
- 94559
- Counties Served
- Napa
- Cities Served
- NAPA
- Open Violations
- 0
- State
- California
Violation Summary
23
Total Violations
15
Health-Based
0
Open Now
Most recent violation: 2016-01-01
Explore California Water Quality
See all water systems, lead data, and violation trends for California.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CA2810003.SafeWater Home